Format x Platform
YouTube Thumbnail Maker
Generate YouTube thumbnail graphics in seconds with Glittr's conversational AI designer.
High-contrast thumbnails that earn clicks and views. Optimized for YouTube channels, shorts, and video promos.
Answer Box
Glittr is an AI thumbnail maker for YouTube. Describe the design you need, generate multiple variations, then edit and export at 1280x720 in minutes.
Example outputs
Realistic layouts generated from short prompts. Use them as inspiration or starting points.
Event promo layout
Bold headline layout
Product-focused layout
Why creators use Glittr
- Create YouTube thumbnail layouts without starting from scratch.
- Export at 1280x720 for pixel-perfect uploads.
- Keep brand colors, fonts, and CTAs consistent every time.
Prompt to start with
Create a thumbnail for YouTube thumbnail. Use the 1280x720 canvas, bold typography, and keep the CTA visible.
Design a thumbnail announcing a limited-time offer. Use bold headlines and a clear CTA button.
How it works
Step 1
Describe your YouTube thumbnail and the main message.
Step 2
Pick a vibe, colors, or brand keywords.
Step 3
Generate variations, then tweak the best one in Glittr.
Related pages
Frequently asked questions
Can I customize the thumbnail after generation?
Yes. Edit text, colors, imagery, and layout after Glittr generates the first version.
What size should I use for YouTube thumbnail?
We recommend starting with 1280x720 and adjusting as needed.
Do I need design experience?
No. Describe what you need and Glittr handles layout, typography, and spacing.